North Dakota weather in September: Statewide normals and every place, NOAA 1991-2020
In September, North Dakota's statewide normal high is 71°F and normal low 45°F; normal highs run from 65°F in Rolla to 77°F in Beulah (NOAA 1991-2020 normals).
- Statewide normal high
- 71°FSeptember, 1991-2020
- Statewide normal low
- 45°FSeptember, 1991-2020
- Statewide normal precipitation
- 1.87 inSeptember
- Warmest place
- 77°Fnormal high, Beulah
- Coolest place
- 65°Fnormal high, Rolla
Where is North Dakota warmest and wettest in September?
Beulah has the warmest September afternoons (77°F) and Rolla the coolest (65°F). Casselton gets the most precipitation (2.79 in) and Tioga the least (1.05 in).
Statewide, September averaged 62.2°F in 2021, 61.0°F in 2022, 61.9°F in 2023, 64.9°F in 2024, 62.3°F in 2025, against a 1991-2020 normal of 57.9°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Fargo | 72°F | 48°F | 2.68 | 0.0 |
| Bismarck | 73°F | 46°F | 1.72 | 0.0 |
| Grand Forks | 70°F | 45°F | 2.26 | 0.0 |
| Minot | 73°F | 47°F | 1.57 | 0.1 |
| Williston | 73°F | 44°F | 1.36 | 0.0 |
| Dickinson | 73°F | 43°F | 1.73 | – |
| Mandan | 72°F | 46°F | 1.64 | – |
| Jamestown | 71°F | 46°F | 2.06 | – |
| Devils Lake | 69°F | 49°F | 1.96 | – |
| Valley City | 71°F | 45°F | 2.73 | – |
| Watford City | 71°F | 45°F | 1.16 | 0.0 |
| Grafton | 71°F | 50°F | – | – |
| Beulah | 77°F | 44°F | 1.53 | – |
| Casselton | 71°F | 46°F | 2.79 | 0.0 |
| Rugby | 70°F | 44°F | 1.75 | 0.0 |
| Stanley | 70°F | 42°F | 1.82 | 0.2 |
| Bottineau | 69°F | 44°F | 1.52 | 0.1 |
| Tioga | 72°F | 46°F | 1.05 | 0.0 |
| Lisbon | 72°F | 46°F | 2.40 | 0.0 |
| Carrington | 69°F | 44°F | – | – |
| Langdon | 67°F | 44°F | 2.11 | 0.0 |
| Mayville | 70°F | 44°F | 2.68 | – |
| Oakes | 72°F | 46°F | – | – |
| Belcourt | 69°F | 43°F | 1.74 | – |
| Hillsboro | 71°F | 50°F | 2.16 | – |
| Harvey | 71°F | 45°F | 1.84 | – |
| Garrison | 71°F | 45°F | 1.67 | – |
| Bowman | 72°F | 43°F | 1.59 | 0.0 |
| Washburn | 73°F | 46°F | 1.46 | 0.0 |
| Larimore | 71°F | 45°F | – | – |
| Cavalier | 68°F | 45°F | 2.31 | 0.0 |
| Rolla | 65°F | 43°F | 1.74 | – |
| Ellendale | 73°F | 49°F | – | – |
| New Salem | 72°F | 45°F | 1.73 | 0.0 |
| Hettinger | 74°F | 42°F | 1.23 | – |
| Velva | 71°F | 42°F | 1.56 | 0.0 |
| Linton | 73°F | 46°F | – | – |
| Crosby | 70°F | 44°F | 1.77 | 0.0 |
| Beach | 74°F | 45°F | 1.81 | – |
| Cooperstown | 69°F | 45°F | 2.09 | 0.0 |
| Kenmare | 69°F | 43°F | 1.92 | – |
| Killdeer | 73°F | 43°F | 1.88 | 0.0 |
| Enderlin | 76°F | 50°F | 2.66 | – |
| Wishek | 72°F | 45°F | – | – |
| Hebron | 72°F | 43°F | 1.89 | 0.2 |
| Underwood | 71°F | 45°F | 1.56 | 0.0 |
| Napoleon | 71°F | 46°F | 1.79 | 0.0 |
| Mohall | 69°F | 42°F | 1.70 | – |
| Wilton | 70°F | 46°F | – | – |
| New England | 73°F | 45°F | 1.59 | 0.0 |
| Richardton | 72°F | 48°F | 1.73 | 0.2 |
| Steele | 72°F | 46°F | 2.12 | – |
| Mott | 75°F | 43°F | 1.65 | – |
| Ashley | 71°F | 46°F | 2.00 | 0.0 |
| Lidgerwood | 73°F | 49°F | 2.60 | – |
| Center | 71°F | 46°F | 2.08 | – |
| Edgeley | 71°F | 47°F | 2.50 | – |
| Turtle Lake | 72°F | 44°F | 1.76 | 0.0 |
| Pembina | 69°F | 45°F | 2.78 | – |
| Forman | 71°F | 47°F | 2.53 | – |
| Rolette | 68°F | 41°F | 1.89 | – |
| Towner | 73°F | 43°F | 1.56 | 0.1 |
| Fessenden | 72°F | 46°F | 2.08 | 0.0 |
| Leeds | 70°F | 43°F | 1.97 | – |
| Powers Lake | 69°F | 41°F | – | – |
| Westhope | 73°F | 45°F | 1.43 | – |
| Max | 70°F | 46°F | 1.68 | 0.1 |
| Gackle | 71°F | 48°F | – | – |
| Drake | 71°F | 44°F | 1.70 | – |
| Carson | 72°F | 45°F | – | – |
| Granville | 72°F | 47°F | – | – |
| Flasher | 73°F | 45°F | 1.64 | – |
| Dunn Center | 73°F | 43°F | 1.72 | – |
| Taylor | 74°F | 44°F | 1.73 | 0.1 |
| Riverdale | 71°F | 48°F | – | – |
| Hazelton | 71°F | 45°F | 1.61 | 0.0 |
| Minnewaukan | 70°F | 45°F | 2.02 | – |
| Medora | 72°F | 46°F | 1.84 | – |
| Petersburg | 69°F | 45°F | 2.12 | 0.0 |
| Streeter | 70°F | 46°F | 2.09 | 0.0 |
| Willow City | 70°F | 40°F | 1.69 | – |
| Edmore | 69°F | 43°F | 2.05 | 0.0 |
| Upham | 70°F | 43°F | 1.60 | 0.0 |
| Wildrose | 70°F | 42°F | 1.41 | 0.0 |
| Almont | 74°F | 45°F | – | – |
| Esmond | 71°F | 45°F | – | – |
| Butte | 72°F | 46°F | – | – |
| Fullerton | 72°F | 48°F | 2.49 | 0.0 |
| Foxholm | 73°F | 46°F | 1.67 | – |
| Fortuna | 69°F | 41°F | 1.18 | 0.0 |
| Amidon | 75°F | 46°F | – | – |
| Hansboro | 71°F | 43°F | 1.76 | 0.0 |
| Breien | 75°F | 44°F | – | – |
| Colgate | 70°F | 44°F | 2.73 | 0.0 |
| Edmunds Arrowwood Ref | 74°F | 46°F | – | – |
| Fairfield | 71°F | 46°F | – | – |
| Grand Forks University (NWS) | 70°F | 47°F | 2.42 | 0.0 |
| Grassy Butte (2 mi ENE) | 72°F | 45°F | 1.76 | 0.3 |
| Heart Butte Dam | 73°F | 45°F | 1.61 | 0.0 |
| Jamestown (38 mi WSW) | 70°F | 46°F | 2.29 | – |
| Keene (3 mi S) | 73°F | 45°F | 1.85 | 0.0 |
| La Moure | 74°F | 46°F | 2.39 | 0.0 |
| Lake Metigoshe State Park | 67°F | 43°F | 1.71 | – |
| McClusky | 75°F | 48°F | 1.91 | 0.0 |
| McHenry (3 mi W) | 71°F | 46°F | 2.11 | 0.0 |
| McLeod (3 mi E) | 73°F | 48°F | 2.56 | – |
| Moffit (3 mi SE) | 75°F | 47°F | – | – |
| Northgate (5 mi ESE) | 69°F | 41°F | 1.49 | – |
| Pretty Rock | 74°F | 45°F | 1.47 | 0.0 |
| Theodore Roosevelt Airport | 73°F | 44°F | 1.62 | – |
| Trotters (3 mi SSE) | 73°F | 45°F | 1.56 | 0.1 |
| Tuttle (12 mi NNE) | 69°F | 45°F | – | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.